<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>登录错误</title>
    <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css" crossorigin="anonymous">
    <style>
        div{
            width: 300px;
            height: 200px;
            border: 1px solid #0b2e13;
            border-radius: 10%;
            font-weight: bold;
            text-align: center;
            line-height: 100px;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%,50%);
            font-size: 25px;
        }
    </style>
</head>
<body>
<div class="alert alert-danger" role="alert">
    用户名或者密码错误，请重新登录！！
</div>
<script src="bootstrap/js/jquery.min.js" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" crossorigin="anonymous"></script>
<script src="bootstrap/js/bootstrap.min.js" crossorigin="anonymous"></script>
</body>
</html>

